CN110350703A - A kind of sealing structure of motor antidetonation cast-aluminum end cover - Google Patents
A kind of sealing structure of motor antidetonation cast-aluminum end cover Download PDFInfo
- Publication number
- CN110350703A CN110350703A CN201910481848.3A CN201910481848A CN110350703A CN 110350703 A CN110350703 A CN 110350703A CN 201910481848 A CN201910481848 A CN 201910481848A CN 110350703 A CN110350703 A CN 110350703A
- Authority
- CN
- China
- Prior art keywords
- outside
- motor
- fuselage
- rear end
- end cap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/06—Cast metal casings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The present invention relates to technical field of motors, and disclose a kind of sealing structure of motor antidetonation cast-aluminum end cover, including fuselage, the top movable of the fuselage is equipped with rear end cap, the outside top of rear end cap is fixedly installed with puigging, the acoustical cotton contacted with puigging is fixedly installed on the outside of rear end cap, the bottom of the rear end cap is fixedly installed with the connector for extending to fuselage interior, the internal activity of the fuselage is equipped with the shaft for running through and extending to inside rear end cap, and the first fixed ring is fixedly installed on the outside of shaft.The sealing structure of the motor antidetonation cast-aluminum end cover, pass through setting sound absorbing layer, acoustical cotton, gasket, rubber seal ring and rubber seal, sealing function preferably can be played to motor, can avoid the noise inside motor can spread out of outside motor, avoid the occurrence of noise, also the dust that can avoid outside motor can enter inside motor, damage to motor, can extend the service life of motor.
Description
Technical field
The present invention relates to technical field of motors, specially a kind of sealing structure of motor antidetonation cast-aluminum end cover.
Background technique
Motor is indicated with letter M in circuit, its main function is to generate driving torque, as electrical appliance or various
Mechanical power source, generator indicate that its main function is to be converted into electric energy using mechanical energy with letter G in circuit.
Such as a kind of sealing structure of the motor antidetonation cast-aluminum end cover proposed in 208299582 U of Chinese patent CN, this kind
The sealing structure of motor antidetonation cast-aluminum end cover substantially increases the intensity of cast-aluminum end cover by the setting of rotary table, passes through damping rubber
The setting of cushion rubber can effectively absorb vibration, reduce motor bearings noise, reduce built-in steel by the setting of annular cavity
The setting of the damping cushion rubber of circle, substantially increases the elasticity of yielding rubber circle, is conducive to the raising of damping effect, although the structure
Relatively good damping effect is reached but the sealing effect of the mechanism is unobvious, and has compared and be difficult to carry out the inside of motor
Maintenance, so a kind of sealing structure of motor antidetonation cast-aluminum end cover is proposed to solve the problems, such as above-mentioned propose.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of sealing structure of motor antidetonation cast-aluminum end cover, have close
The advantages that effect is good and easy to disassemble is sealed, the sealing effect for solving existing motor rear cover currently on the market is unobvious, and
Compare and is difficult to the problem of safeguarding to the inside of motor.
(2) technical solution
To realize that above-mentioned sealing effect is good and purpose easy to disassemble, the invention provides the following technical scheme: a kind of motor resists
The sealing structure of cast-aluminum end cover is shaken, including fuselage, the top movable of the fuselage are equipped with rear end cap, the outside top of rear end cap
It is fixedly installed with puigging, the acoustical cotton contacted with puigging, the bottom of the rear end cap are fixedly installed on the outside of rear end cap
It is fixedly installed with the connector for extending to fuselage interior, the internal activity of the fuselage, which is equipped with, to be run through and extend in rear end cap
The shaft in portion, is fixedly installed with the first fixed ring on the outside of shaft, and the inner wall of connector is fixedly installed with the second fixed ring, and first
Steel column is movably installed between fixed ring and the second fixed ring, the top outer of the fuselage offers mounting groove, rear end cap
Bottom and it is located on the outside of connector and is fixedly installed with gasket contact with fuselage, the bottom of rear end cap and positioned at connector
Outside is fixedly installed with through gasket and extends to the rubber seal ring in mounting groove slot, and the external left and right sides of connector is
Sidewall channels are offered, the internal activity of sidewall channels is equipped with outside the slot for running through and extending to sidewall channels and contacts with the inner wall of fuselage
Rubber seal, offer link slot at the top of the front of and behind of the fuselage, the bottom outside of rear end cap is fixedly mounted
There is the latch extended in link slot slot, the front and rear sides of the fuselage are fixedly installed with consolidating at left and right sides of link slot
Fixed board is movably installed with the rotation axis for running through and extending on the right side of the fixed plate of right side on the left of the fixed plate of left side, turns
Be movably installed on the outside of moving axis between two fixed plates and with latch meshed gears, rotation axis outside activity
U-shaped part positioned at the opposite side of the left and right sides fixed plate is installed, the bottom of U-shaped part is fixedly installed with regulation handle, U-shaped
The bottom wall of inner cavity of part offers fixing groove, is movably installed with connecting shaft between the wall of the left and right sides in the slot of fixing groove, connecting shaft
Outside is socketed with the clamping block for extending to gear internal, be socketed on the outside of connecting shaft quantity be two and respectively with clamping block
The torsional spring that the left and right sides is fixedly connected
Preferably, the torsional spring opposite side in the left and right sides is fixedly connected with the left and right sides in the slot of fixing groove.
Preferably, the left and right sides wall of the U-shaped part offers adjustment hole, and the diameter of adjustment hole is greater than rotation axis
Diameter.
Preferably, the left and right sides of the rotation axis is fixedly installed with clamping block, and the diameter of clamping block is greater than adjusting
The diameter in hole.
Preferably, the exterior bottom of the regulation handle is socketed with Anti-slip cover, and Anti-slip cover is soft rubber, and protective jacket
Outside open up it is fluted.
Preferably, first fixed ring and the opposite side of the second fixed ring offer placing groove, and described in two
The sum of depth of placing groove is greater than the diameter of steel column.
Preferably, offer card slot compatible with puigging and acoustical cotton on the outside of the rear end cap, and puigging and
Acoustical cotton is annular.
Preferably, the connector is annular, and the inner diameter of connector and the outer diameter of the second fixed ring are mutually fitted
Match, the outer diameter of connector is less than the inner diameter of fuselage.
Preferably, the sidewall channels and rubber seal are annular, and the outer diameter of rubber seal is more than or equal to
The inner diameter of fuselage.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of sealing structure of motor antidetonation cast-aluminum end cover, having following has
Beneficial effect:
1, the sealing structure of the motor antidetonation cast-aluminum end cover, by the way that sound absorbing layer, acoustical cotton, gasket, rubber seal is arranged
Ring and rubber seal preferably can play sealing function to motor, and can avoid the noise inside motor can spread out of outside motor
Portion avoids the occurrence of noise, and the dust that also can avoid outside motor can enter inside motor, damages, can extend to motor
The service life of motor.
2, the sealing structure of the motor antidetonation cast-aluminum end cover is passed through by setting rotation axis, gear, latch and clamping block
To front side and the mobile regulation handle of rear side, then clamping block is driven to be moved, because of clamping block and Gear Contact, so adjusting
Handle also will drive gear when mobile and be rotated, and because gear and latch engage, so in gear rotation, latch also can be to
Lower movement also will pull rear end cap at this time and be attached with fuselage, rear end cap can be made to connect with fuselage more stable, need to tear open
It can land vertically when unloading rear end cap and separate clamping block with gear, rear end cap can be moved up at this time, can facilitate and lay down rear end cap,
The structure has achieved the effect that the rear end cap that is easy for installation and removal, and can save the time and efforts required in maintenance and maintenance.
Detailed description of the invention
Fig. 1 is a kind of sealed structural schematic diagram of motor antidetonation cast-aluminum end cover proposed by the present invention；
Fig. 2 is enlarged drawing at A in a kind of sealing structure Fig. 1 of motor antidetonation cast-aluminum end cover proposed by the present invention；
Fig. 3 is a kind of front view of the sealing structure of motor antidetonation cast-aluminum end cover proposed by the present invention；
Fig. 4 is that a kind of connection of the sealing structure fixed plate and rotation axis of motor antidetonation cast-aluminum end cover proposed by the present invention is shown
It is intended to；
Fig. 5 is enlarged drawing at B in a kind of sealing structure Fig. 4 of motor antidetonation cast-aluminum end cover proposed by the present invention.
In figure: 1 fuselage, 2 rear end caps, 3 puiggings, 4 acoustical cottons, 5 connectors, 6 shafts, 7 first fixed rings, 8 second are consolidated
Determine ring, 9 steel balls, 10 mounting grooves, 11 gaskets, 12 rubber seal rings, 13 sidewall channels, 14 rubber seal, 15 link slots, 16 cards
Tooth, 17 fixed plates, 18 rotation axis, 19 gears, 20U type part, 21 regulation handles, 22 fixing grooves, 23 connecting shafts, 24 clamping blocks, 25
Torsional spring.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-5, the sealing structure of motor antidetonation cast-aluminum end cover, including fuselage 1, the top movable installation of fuselage 1
There is rear end cap 2, the outside top of rear end cap 2 is fixedly installed with puigging 3, and the outside of rear end cap 2 is fixedly installed with and puigging 3
The acoustical cotton 4 of contact, the outside of rear end cap 2 offer card slot compatible with puigging 3 and acoustical cotton 4, and puigging 3 and suction
Sound cotton 4 is annular, and the bottom of rear end cap 2 is fixedly installed with the connector 5 extended to inside fuselage 1, and connector 5 is annular,
And the inner diameter of connector 5 is adapted with the outer diameter of the second fixed ring 8, the outer diameter of connector 5 is less than fuselage 1
Inner diameter, the internal activity of fuselage 1 are equipped with the shaft 6 for running through and extending to inside rear end cap 2, and the outside of shaft 6 is fixed
First fixed ring 7 is installed, the inner wall of connector 5 is fixedly installed with the second fixed ring 8, the first fixed ring 7 and the second fixed ring 8
Between be movably installed with steel column 9, the first fixed ring 7 and the opposite side of the second fixed ring 8 offer placing groove, and two put
The diameter that the sum of depth of slot is greater than steel column 9 is set, the top outer of fuselage 1 offers mounting groove 10, the bottom and position of rear end cap 2
It is fixedly installed with the gasket 11 contacted with fuselage 1 in the outside of connector 5, the bottom of rear end cap 2 and is located at the outer of connector 5
Side is fixedly installed with through gasket 11 and extends to the rubber seal ring 12 in 10 slot of mounting groove, the external left and right of connector 5
Two sides offer sidewall channels 13, and the internal activity of sidewall channels 13 is equipped with outside the slot for running through and extending to sidewall channels 13 and and machine
The rubber seal 14 of the inner wall contact of body 1, sidewall channels 13 and rubber seal 14 are annular, by setting sound absorbing layer 3, are inhaled
Sound cotton 4, gasket 11, rubber seal ring 12 and rubber seal 14, preferably can play sealing function to motor, can avoid electricity
Noise inside machine can spread out of outside motor, avoid the occurrence of noise, and the dust that also can avoid outside motor can enter motor
Inside damages motor, can extend the service life of motor, and the outer diameter of rubber seal 14 is more than or equal to fuselage
The front of and behind top of 1 inner diameter, fuselage 1 offers link slot 15, and the bottom outside of rear end cap 2 is fixedly installed with
The latch 16 in 15 slot of link slot is extended to, the front and rear sides of fuselage 1 are fixedly installed with positioned at 15 left and right sides of link slot
Fixed plate 17, the left side of left side fixed plate 17 are movably installed with the rotation axis 18 for running through and extending to 17 right side of right side fixed plate,
The left and right sides of rotation axis 18 is fixedly installed with clamping block, and the diameter of clamping block is greater than the diameter of adjustment hole, rotation axis 18
Outside be movably installed between two fixed plates 17 and with 16 meshed gears 19 of latch, rotation axis 18 outside activity
U-shaped part 20 positioned at the opposite side of left and right sides fixed plate 17 is installed, the left and right sides wall of U-shaped part 20 offers adjusting
Hole, and the diameter of adjustment hole is greater than the diameter of rotation axis 18, the bottom of U-shaped part 20 is fixedly installed with regulation handle 21, adjusts handle
The exterior bottom of hand 21 is socketed with Anti-slip cover, and Anti-slip cover is soft rubber, and fluted, U-shaped part is opened up on the outside of protective jacket
20 bottom wall of inner cavity offers fixing groove 22, is movably installed with connecting shaft 23 between the wall of the left and right sides in the slot of fixing groove 22, even
The outside of spindle 23 is socketed with the clamping block 24 extended to inside gear 19, the outside of connecting shaft 23 be socketed with quantity be two and
The torsional spring 25 being fixedly connected respectively with the left and right sides of clamping block 24, the opposite side of left and right sides torsional spring 25 with fixing groove 22
Slot in the left and right sides be fixedly connected, by setting rotation axis 18, gear 19, latch 16 and clamping block 14, by front side and
Rear side moves regulation handle 21, then clamping block 14 is driven to be moved, because clamping block 14 is contacted with gear 19, so adjusting
Handle 21 also will drive gear 19 when mobile and be rotated, and because gear 19 and latch 16 engage, so when gear 19 rotates,
Latch 16 can also move down, and also will pull rear end cap 2 at this time and be attached with fuselage 1, rear end cap 2 can be made to connect with fuselage 1
It is more stable, can land vertically when needing to dismantle rear end cap 2 and separate clamping block 24 with gear 19, rear end can be moved up at this time
Lid 2 can facilitate and lay down rear end cap 2, which has achieved the effect that the rear end cap 2 that is easy for installation and removal, and can save and safeguard
With time and efforts required when maintenance.
In conclusion the sealing structure of the motor antidetonation cast-aluminum end cover, by the way that sound absorbing layer 3, acoustical cotton 4, gasket is arranged
11, rubber seal ring 12 and rubber seal 14, preferably can play sealing function to motor, can avoid the noise inside motor
Outside motor can be spread out of, noise is avoided the occurrence of, the dust that also can avoid outside motor can enter inside motor, make to motor
At injury, the service life of motor can be extended, by setting rotation axis 18, gear 19, latch 16 and clamping block 14, by forward
Side and the mobile regulation handle 21 of rear side, then drive clamping block 14 to be moved, because clamping block 14 is contacted with gear 19, so
Regulation handle 21 also will drive gear 19 when mobile and be rotated, and because gear 19 and latch 16 engage, so at 19 turns of gear
When dynamic, latch 16 can also be moved down, and also will pull rear end cap 2 at this time and be attached with fuselage 1, can make rear end cap 2 and fuselage 1
What is connected is more stable, can land vertically when needing to dismantle rear end cap 2 and separate clamping block 24 with gear 19, can move up at this time
Rear end cap 2 can facilitate and lay down rear end cap 2, which has achieved the effect that the rear end cap 2 that is easy for installation and removal, and can save
Required time and efforts when maintenance and maintenance, the sealing effect for solving existing motor rear cover currently on the market is unobvious,
And compares and be difficult to the problem of safeguarding to the inside of motor.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of sealing structure of motor antidetonation cast-aluminum end cover, including fuselage (1), it is characterised in that: the top of the fuselage (1)
It is movably installed with rear end cap (2), the outside top of rear end cap (2) is fixedly installed with puigging (3), and the outside of rear end cap (2) is solid
Dingan County is equipped with the acoustical cotton (4) contacted with puigging (3), and the bottom of the rear end cap (2), which is fixedly installed with, extends to fuselage (1)
Internal connector (5), the internal activity of the fuselage (1), which is equipped with, runs through and extends to the internal shaft of rear end cap (2)
(6), it is fixedly installed with the first fixed ring (7) on the outside of shaft (6), the inner wall of connector (5) is fixedly installed with the second fixed ring
(8), it is movably installed between the first fixed ring (7) and the second fixed ring (8) steel column (9), the top outer of the fuselage (1) is opened
Equipped with mounting groove (10), the bottom of rear end cap (2) and it is located to be fixedly installed on the outside of connector (5) and contacts with fuselage (1)
Gasket (11), the bottom of rear end cap (2) and be located at connector (5) on the outside of be fixedly installed with through gasket (11) and extend
The external left and right sides of rubber seal ring (12) to mounting groove (10) slot, connector (5) offers sidewall channels (13), side
The internal activity of wall trench (13) is equipped with the rubber contacted outside the slot for running through and extending to sidewall channels (13) and with the inner wall of fuselage (1)
The front of and behind top of glue sealing ring (14), the fuselage (1) offers link slot (15), outside the bottom of rear end cap (2)
Side is fixedly installed with the latch (16) extended in link slot (15) slot, and the front and rear sides of the fuselage (1) are fixedly installed with
Fixed plate (17) at left and right sides of link slot (15) is movably installed on the left of the left side fixed plate (17) and runs through and prolong
The rotation axis (18) on the right side of the fixed plate (17) of right side is extended to, is movably installed on the outside of rotation axis (18) positioned at described in two
Between fixed plate (17) and with latch (16) meshed gears (19), be movably installed on the outside of rotation axis (18) and be located at left and right two
The U-shaped part (20) of the opposite side of fixed plate described in side (17), the bottom of U-shaped part (20) is fixedly installed with regulation handle (21), U-shaped
The bottom wall of inner cavity of part (20) offers fixing groove (22), is movably installed with connection between the wall of the left and right sides in the slot of fixing groove (22)
Axis (23) is socketed on the outside of connecting shaft (23) and extends to the internal clamping block (24) of gear (19), the outside of connecting shaft (23)
Be socketed with quantity be two and respectively with the torsional spring (25) that is fixedly connected at left and right sides of clamping block (24).
2. a kind of sealing structure of motor antidetonation cast-aluminum end cover according to claim 1, it is characterised in that: left and right sides institute
The opposite side of torsional spring (25) is stated to be fixedly connected with the left and right sides in the slot of fixing groove (22).
3. a kind of sealing structure of motor antidetonation cast-aluminum end cover according to claim 1, it is characterised in that: the U-shaped part
(20) left and right sides wall offers adjustment hole, and the diameter of adjustment hole is greater than the diameter of rotation axis (18).
4. a kind of sealing structure of motor antidetonation cast-aluminum end cover according to claim 1 or 3, it is characterised in that: described turn
The left and right sides of moving axis (18) is fixedly installed with clamping block, and the diameter of clamping block is greater than the diameter of adjustment hole.
5. a kind of sealing structure of motor antidetonation cast-aluminum end cover according to claim 1, it is characterised in that: the adjusting handle
The exterior bottom of hand (21) is socketed with Anti-slip cover, and Anti-slip cover is soft rubber, and is opened up on the outside of protective jacket fluted.
6. a kind of sealing structure of motor antidetonation cast-aluminum end cover according to claim 1, it is characterised in that: described first is solid
Determine ring (7) and the opposite side of the second fixed ring (8) offers placing groove, and the sum of the depth of two placing grooves is greater than
The diameter of steel column (9).
7. a kind of sealing structure of motor antidetonation cast-aluminum end cover according to claim 1, it is characterised in that: the rear end cap
(2) offered on the outside of with puigging (3) and the compatible card slot of acoustical cotton (4), and puigging (3) and acoustical cotton (4) are
Annular.
8. a kind of sealing structure of motor antidetonation cast-aluminum end cover according to claim 1, it is characterised in that: the connector
It (5) is annular, and the inner diameter of connector (5) is adapted with the outer diameter of the second fixed ring (8), outside connector (5)
Wall diameter is less than the inner diameter of fuselage (1).
9. a kind of sealing structure of motor antidetonation cast-aluminum end cover according to claim 1, it is characterised in that: the sidewall channels
(13) and rubber seal (14) is annular, and the outer diameter of rubber seal (14) is more than or equal to the inner wall of fuselage (1)
Diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910481848.3A CN110350703A (en) | 2019-06-04 | 2019-06-04 | A kind of sealing structure of motor antidetonation cast-aluminum end cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910481848.3A CN110350703A (en) | 2019-06-04 | 2019-06-04 | A kind of sealing structure of motor antidetonation cast-aluminum end cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110350703A true CN110350703A (en) | 2019-10-18 |
Family
ID=68181501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910481848.3A Pending CN110350703A (en) | 2019-06-04 | 2019-06-04 | A kind of sealing structure of motor antidetonation cast-aluminum end cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110350703A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208285110U (en) * | 2018-05-10 | 2018-12-25 | 广东汉岂工业技术研发有限公司 | A kind of dust-proof cast-aluminum end cover of motor |
| CN208299582U (en) * | 2018-05-10 | 2018-12-28 | 广东汉岂工业技术研发有限公司 | A kind of sealing structure of motor antidetonation cast-aluminum end cover |
| CN208754094U (en) * | 2018-05-23 | 2019-04-16 | 江西力玛机电科技有限公司 | A kind of high leakproofness electric motor end cap |
-
2019
- 2019-06-04 CN CN201910481848.3A patent/CN110350703A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208285110U (en) * | 2018-05-10 | 2018-12-25 | 广东汉岂工业技术研发有限公司 | A kind of dust-proof cast-aluminum end cover of motor |
| CN208299582U (en) * | 2018-05-10 | 2018-12-28 | 广东汉岂工业技术研发有限公司 | A kind of sealing structure of motor antidetonation cast-aluminum end cover |
| CN208754094U (en) * | 2018-05-23 | 2019-04-16 | 江西力玛机电科技有限公司 | A kind of high leakproofness electric motor end cap |
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Application publication date: 20191018 |